Surgical instrument



FIG. 1 is a right perspective view of a surgical instrument;

FIG. 2 is a left perspective view of the surgical instrument;

FIG. 3 is a left-side view of the surgical instrument;

FIG. 4 is a right-side view of the surgical instrument;

FIG. 5 is a top view of the second embodiment of the surgical instrument;

FIG. 6 is a bottom view of the second embodiment of the surgical instrument;

FIG. 7 is a front view of the second embodiment of the surgical instrument; and,

FIG. 8 is a rear view of the second embodiment of the surgical instrument.

The broken lines shown in the figures represent portions of the article that forms no part of the claimed design. 

CLAIM The ornamental design for a surgical instrument, as shown and described. 